In order to professionalize the profession of educator, constant work, research and changing practice are needed. The professional development of educators must be defined by systematic and continuous activities, aimed at the personal and collective development of the educational institution, but also of the entire educational system. This paper aims to show the significance of the role of reflective practice in the professional development of educators. The first part of the paper will talk about the teaching profession in history. Furthermore, the teacher's profession and the professional development of educators are discussed, and finally, reflective practice is discussed as one of the extremely important factors for the professional development of educators. Many authors (Hammerslay, 2002; Schön, 1990; Young and Lucas, 1999 and many others) emphasize the importance of reflective practice and lifelong learning for the purpose of professional development. In addition to formal education, it is very important to keep up with the times, with new knowledge in the field of upbringing and education of preschool children. Authors (Schon, 1990; Bolton, 2001; Elliott, 1990; Young and Lucas, 1999; Bleakly, 1999 and many others) talk about the importance of a holistic approach in the development and training of educators. Educational practice has changed over the years, so the ways of learning and educating educators have also changed. Just as the educator himself, so the entire educational institution must question, reflect, change what is not good and develop what is good, all for the purpose of better quality work of the educational institution and, most importantly, better "life" of children in children's kindergartens. The child comes first, therefore education, continuous work and learning, and (self)reflection are necessary in order to give the child the best we can so that it develops into a self-aware and self-reliant person. The educator has many roles in the kindergarten, and one of them is to enable the children to live by learning and by learning to live. In addition to the initial education of educators, reflective practice is important for his professional development, thereby strengthening professional competences, lifelong education (formal and/or informal), conducting action research and cooperation with experts (both in the institution and outside the institution) and with the parents of the children.